| Wheaton to Smolyan | 5,312.27 mi (8,549.28 km) |
| Wheaton to Sofia | 5,208.11 mi (8,381.65 km) |
| Wheaton to Sopot | 5,261.88 mi (8,468.17 km) |
| Wheaton to Sozopol | 5,378.05 mi (8,655.13 km) |
| Wheaton to Sredets | 5,363.85 mi (8,632.28 km) |
| Wheaton to Stamboliyski | 5,279.31 mi (8,496.22 km) |
| Wheaton to Stara Zagora | 5,304.75 mi (8,537.17 km) |
| Wheaton to Svilengrad | 5,357.42 mi (8,621.93 km) |
| Wheaton to Svishtov | 5,235.92 mi (8,426.40 km) |
| Wheaton to Targovishte | 5,297.34 mi (8,525.24 km) |
| Wheaton to Teteven | 5,231.51 mi (8,419.30 km) |
| Wheaton to Troyan | 5,249.29 mi (8,447.91 km) |
| Wheaton to Tryavna | 5,278.05 mi (8,494.20 km) |
| Wheaton to Tutrakan | 5,258.82 mi (8,463.25 km) |
| Wheaton to Varna | 5,345.36 mi (8,602.53 km) |
